Malthusianism from the Ehrlichs Redux

Michael Tobis, editor-in-chief of Planet3.0 and site cofounder, has always been interested in the interface between science and public policy. He holds a doctorate from the University of Wisconsin - Madison in Atmospheric and Oceanic Sciences where he developed a 3-D ocean model on a custom computing platform. He has been involved in sustainability conversations on the internet since 1992, has been a web software developer since 2000, and has been posting sustainability articles on the web since 2007.

Virtually every past civilization has eventually undergone collapse, a loss of socio-political-economic complexity usually accompanied by a dramatic decline in population size [1]. Some, such as those of Egypt and China, have recovered from collapses at various stages; others, such as that of Easter Island or the Classic Maya, were apparently permanent. All those previous collapses were local or regional; elsewhere, other societies and civilizations persisted unaffected. Sometimes, as in the Tigris and Euphrates valleys, new civilizations rose in succession. In many, if not most, cases, overexploitation of the environment was one proximate or an ultimate cause.

But today, for the first time, humanity’s global civilization—the worldwide, increasingly interconnected, highly technological society in which we all are to one degree or another, embedded—is threatened with collapse by an array of environmental problems. Humankind finds itself engaged in what Prince Charles described as ‘an act of suicide on a grand scale’, facing what the UK’s Chief Scientific Advisor John Beddington called a ‘perfect storm’ of environmental problems. The most serious of these problems show signs of rapidly escalating severity, especially climate disruption. But other elements could potentially also contribute to a collapse: an accelerating extinction of animal and plant populations and species, which could lead to a loss of ecosystem services essential for human survival; land degradation and land-use change; a pole-to-pole spread of toxic compounds; ocean acidification and eutrophication (dead zones); worsening of some aspects of the epidemiological environment (factors that make human populations susceptible to infectious diseases); depletion of increasingly scarce resources, including especially groundwater, which is being overexploited in many key agricultural areas; and resource wars. These are not separate problems; rather they interact in two gigantic complex adaptive systems: the biosphere system and the human socio-economic system. The negative manifestations of these interactions are often referred to as ‘the human predicament’, and determining how to prevent it from generating a global collapse is perhaps the foremost challenge confronting humanity.

They conclude:

Do we think global society can avoid a collapse in this century? The answer is yes, because modern society has shown some capacity to deal with long-term threats, at least if they are obvious or continuously brought to attention (think of the risks of nuclear conflict). Humanity has the assets to get the job done, but the odds of avoiding collapse seem small because the risks are clearly not obvious to most people and the classic signs of impending collapse, especially diminishing returns to complexity, are everywhere. One central psychological barrier to taking dramatic action is the distribution of costs and benefits through time: the costs up front, the benefits accruing largely to unknown people in the future. But whether we or more optimistic observers are correct, our own ethical values compel us to think the benefits to those future generations are worth struggling for, to increase at least slightly the chances of avoiding a dissolution of today’s global civilization as we know it.

I am reminded of something Neil Young once said on stage: “Now here’s a song that’s guaranteed to bring you right down. It’s called ‘Don’t let it bring you down’. It starts off real slow and then fizzles out altogether.”

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